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The AAPG/Datapages Combined Publications Database

Showing 27,586 Results. Searched 195,354 documents.

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Graphic Solution of Strike and Dip from Two Angular Components: GEOLOGICAL NOTES

H. W. Kitson

AAPG Bulletin

...., - 4° be the bearing and vertical angle respectively of two observed strike and dip components on a single bed, the computed strike is N. 66° E...

1929

Seismic Angle Migration

Search and Discovery.com

N/A

A novel vector PP imaging condition for elastic reverse-time migration

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Then, we time-reversely propagate the scattered wavefields and extract angle-domain P waves using a local plane wave decomposition approach (e.g., Xie et al...

2023

Abstract: New Insights into the Cenozoic Architecture Along the Flextrend of the Northern Gulf of Mexico;

Susana Tierrablanca, Jeffery Tilton, William Beck, Hermann Lebit

Search and Discovery.com

.... Completely preserved ROHO systems show classic up-dip extension and down-dip continuation into basal low-angle detachments/welds of the translation zone...

Unknown

TST3D: Automated Structural Interpretation in Horizontal Wellbores

Tuanfeng Zhang, David McCormick, Allan Nandlal, Marie LeFranc

Unconventional Resources Technology Conference (URTEC)

... are illustrated in Figure 2 for a deviated well that is drilled down-dip and penetrates a dipping layer at an oblique angle. Note that TST is always less than...

2018

Relative Accuracies of Thickness Based on True and Apparent Dips

William F. Tanner

Oklahoma City Geological Society

... thickness can be measured (and the section described) more satisfactorily and more accurately in the direction of a convenient apparent dip than...

1961

Overcoming Seismic Attenuation Caused by Shallow Gas Above at a Gas Field Offshore Indonesia to Quantitatively Characterize the Reservoir Through Simultaneous Inversion

Cecep W. Rudiana, Bambang Irawan, Denny Sulistiono, Mark Sams

Indonesian Petroleum Association

.... In the simultaneous angle dependent inversion, the laterally varying wavelet weight were estimated for each individual angle stack. This approach...

2008

Full Use of Dipmeter Data for Geocellular Property Modeling in the McMurray Formation, Alberta; #41586 (2015)

Gregory S. Benson

Search and Discovery.com

..., resulting in a variogram shaped like an oval. Also, in cross section view the typical IHS bedding surface is sigmoidal, with the dip angle changing...

2015

Photogrammetry approach on geological plane extraction using CloudCompare FACET plugin and scanline survey

Sharan Kumar Nagendran, Mohd Ashraf Mohamad Ismail, Wen Yan Tung

Geological Society of Malaysia (GSM)

... the orientation of discontinuity joint (dip/dip direction) of the rock slope: manual approach by using scanline survey method and automatic approach...

2019

Subsurface Interpretation of Intersecting Faults and Their Effects Upon Stratigraphic Horizons

George Dickinson

AAPG Bulletin

... fault and the surface is invariably offset in the direction of its dip in the block upthrown by the intersecting fault, irrespective of the angle...

1954

Abstract: Offshore Bahrain: Exploring for Stratigraphic Traps in the Mishrif Fm; #91204 (2023)

Laura Brioschi, Giuseppe Serafini, Aqeel Ahmed, Ghada AlMoulani, Ali Shehab, Ahmed Ali

Search and Discovery.com

... low angle rampcarbonate depositional system. In the northern part of Offshore Bahrain facies reflectmiddle to outer ramp settings. The regional mid...

2023

Stratigraphic Traps: Quantitative Approach Based upon a Producing Field Database, #40436 (2009)

Jean Gerard

Search and Discovery.com

...Stratigraphic Traps: Quantitative Approach Based upon a Producing Field Database, #40436 (2009) Jean Gerard PS Stratigraphic Traps: Quantitative...

2009

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

... that capture the space, dip and angle-variant illumination and wavelet stretch effects present in the respective PP and PS images. PS point spread...

2023

Eolian Environments their Characteristics Recognition and Importance

João José Bigarella

Special Publications of SEPM

... is repose Most of these downwind to measurements concentration high angle the northwest Cross bedding indicate that in addition to a of high dip...

1972

Use of Microresistivity Image Logs in Detailed Reservoir Architecture Reconstruction of Glenn Sandstone, Glenn Pool Field, Northeastern Oklahoma

Liangmiao Ye, Dennis R. Kerr

Tulsa Geological Society

... image logs. This technique uses two features: 1) The dip azimuth of cross stratification in the lower channel-fill subfacies is regarded as being...

1996

Reflection waveform inversion regularized with structural constraints and scattered data interpolation

Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... function along the dip angle of the reflection structure (Zhou et al., 2013). Lewis et al. (2014) used an anisotropic diffusion equation to smooth...

2023

Automatic Dip-Component Computer for Use with Brunton Compass: GEOLOGICAL NOTE

Richard L. Threet

AAPG Bulletin

...] where ^agr equals apparent dip or dip component in the desired direction; ^Thgr equals true dip, and ß equals the horizontal angle between the strike...

1957

Vertical Net Sandstone Determination for Isopach Mapping of Hydrocarbon Reservoirs: DISCUSSION

V. Hepp

AAPG Bulletin

... of the expression: VT = cos ^Sgr × MTcos BDa, where BDa = apparent bed dip angle measured in a vertical plane passed through the hole axis; ^Sgr...

1973

Types of Channel-Fills Interpreted from Dipmeter Logs in the McMurray Formation, Northeast Alberta

W. Muwais, D.G. Smith

CSPG Bulletin

.... An approach to detailed dip determination using correlation by pattern recognition. Journal of Petroleum Technology, v. 31, p. 232-240. End...

1990

Reservoir Delineation by Wireline Techniques

J. F. Goetz, W. J. Prins, J. F. Logar

Indonesian Petroleum Association

... of equal length on the other curves. Of necessity, this approach tends to average the dip information within the correlation. To compute the dip of current...

1977

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